66405920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:514

約数の個数: 96

約数和(自身を含む): 180786816

約数和(自身を除く): 114380896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 211, 224, 280, 281, 422, 560, 562, 844, 1055, 1120, 1124, 1405, 1477, 1688, 1967, 2110, 2248, 2810, 2954, 3376, 3934, 4220, 4496, 5620, 5908, 6752, 7385, 7868, 8440, 8992, 9835, 11240, 11816, 14770, 15736, 16880, 19670, 22480, 23632, 29540, 31472, 33760, 39340, 44960, 47264, 59080, 59291, 62944, 78680, 118160, 118582, 157360, 236320, 237164, 296455, 314720, 415037, 474328, 592910, 830074, 948656, 1185820, 1660148, 1897312, 2075185, 2371640, 3320296, 4150370, 4743280, 6640592, 8300740, 9486560, 13281184, 16601480, 33202960, 66405920]

約数ペア:

[(1, 66405920), (2, 33202960), (4, 16601480), (5, 13281184), (7, 9486560), (8, 8300740), (10, 6640592), (14, 4743280), (16, 4150370), (20, 3320296), (28, 2371640), (32, 2075185), (35, 1897312), (40, 1660148), (56, 1185820), (70, 948656), (80, 830074), (112, 592910), (140, 474328), (160, 415037), (211, 314720), (224, 296455), (280, 237164), (281, 236320), (422, 157360), (560, 118582), (562, 118160), (844, 78680), (1055, 62944), (1120, 59291), (1124, 59080), (1405, 47264), (1477, 44960), (1688, 39340), (1967, 33760), (2110, 31472), (2248, 29540), (2810, 23632), (2954, 22480), (3376, 19670), (3934, 16880), (4220, 15736), (4496, 14770), (5620, 11816), (5908, 11240), (6752, 9835), (7385, 8992), (7868, 8440)]